Wes Stewart wrote:

wrote:
That's interesting! That part regarding change of "density"
How does one determine the density changes in various parts of a radiation
pattern?

Jeeze. You use an rf densiometer of course.

To be fair, Art did have a smiley face farther down. The
units of the Poynting Vector are e.g. joules/sec/meter^2.
That's a power density and is the same as "irradiance" in
the field of optics.
--
73, Cecil http://www.qsl.net/w5dxp

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